add missing file to BUILD_SOURCES
add missing file to BUILD_SOURCES

Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel,GNOME/rygel,Tarnyko/rygel,luisbg/rygel,jku/rygel,jku/rygel,Tarnyko/rygel,GNOME/rygel